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a <br /> Drilling Log <br /> ��� GROUNDWATER Monitoring Wel! MW--13 <br /> TECHNOL06Y <br /> Project Texacolstockfon owner Texaco Environmental Services <br /> Location 440 Charter Way, Stockton CA Prot No 02070 2569 <br /> Description <br /> L.. —Q' pE <br /> a a V CLO p U <br /> o� a >* # d m� m (Color, Texture, Structure) <br /> rA K a U Trace < 10%. Little 10% to 20%, Some 2OX to 35X, Anc1 35% to SOX <br /> 24 <br /> 7 <br /> ML Olive gray clayey SILT (continued) <br /> 26 0 5 MM-13 17 <br /> -25 24 Olive gray clayey SILT to very fine SAND (moist) <br /> ML <br /> 28 <br /> — I <br /> 30 <br /> 0 Mw-13 9 Greenish gray CLAY {moist, no hydrocarbon odor) <br /> -30 13 <br /> 32 <br /> 34 CL <br /> • I fs <br /> 36 0 5 MW-13 20 <br /> -35 21 <br /> Static depth to water 9-2-93, 1700 hrs <br /> - 38 - <br /> -40- = Encountered water, 9-2-93, 1100 hrs <br /> 9 <br /> -40 25 Dark bluish gray silty CLAY (moist, no hydrocarbon odor) <br /> - 42- <br /> — CL <br /> �44- <br /> 17Dark gray clayey fine SAND (very wet, degraded hydrocarbon <br /> 4s _ Lo Hit-13 26 oder) <br /> -q5 30 <br /> I <br /> - 48 — — j I SC <br /> I <br /> 50 I 7 (grades with silt, increasing degraded hydrocarbon odor) <br /> 70 MN-t3 7 <br /> -50 B <br /> 52 I I End of boring Installed monitoring well <br /> f <br />'0 - 54 - <br /> 5 <br /> 486 <br /> I <br /> 1S/16/1993 htl�fpC_marfi: Pa OF 2 of <br />